93% knows the answer to this question: "What medical word refers to the heart? "

And do you know the answer to this one? "Which of the following seafood animals is known for swimming upstream?"

72% knows the answer to this question: "What determines how loud or soft a sound is? "

And do you know the answer to this one? "On which continent is the Hindu Kush mountain range?"

71% knows the answer to this question: "Who sang the famous song "Uptown Girl" (1983)? "

And do you know the answer to this one? "Van Gogh cut off what body part and sent it to Rachel, a prostitute who didn't like his work?"

84% knows the answer to this question: "Chiles rellenos is a food item of what type of cuisine? "

And do you know the answer to this one? "What does the idiom mean "have a chip on your shoulder"?"

60% knows the answer to this question: "Who made $70 million when he gave up his salary in exchange for a percentage of the back end of Forrest Gump? "

And do you know the answer to this one? "Bette Davis, who'd been a Southern belle in Jezebel, passed on what role when she thought Errol Flynn would play Rhett Butler?"

31% knows the answer to this question: "Which of these men was not a musician during the 1950s? "

And do you know the answer to this one? "Who is known as "Yaz" to the Red Sox fans?"

60% knows the answer to this question: "What author wrote "The Adventures of Tom Sawyer"? "

And do you know the answer to this one? "The official residence of the British Prime Minister is in which London street?"

54% knows the answer to this question: "Which is the correct name for the national airline of North Korea? "

And do you know the answer to this one? "Who lives in the Palais de l'Élysée, at 55 Rue du Faubourg Saint-Honore, not far from the Champs-Élysées?"

54% knows the answer to this question: "What fruit juice did Ocean Spray promote to bartenders as a cocktail mix and to physicians as a way to prevent bladder infections in women? "

And do you know the answer to this one? "Which of these words can be defined as "seldom found"?"

54% knows the answer to this question: "In what year did Nazi Germany invade the Netherlands? "

And do you know the answer to this one? "What marsupial is able to produce two different kinds of milk, one for its newborn and one for the joey still in the pouch?"

48% knows the answer to this question: "What does 11 raised to the power of 1 equal? "

And do you know the answer to this one? "What is a third of 27?"

85% knows the answer to this question: "What number is usually expressed as 3.1415? "

And do you know the answer to this one? "What is half of 84, plus 3?"